Results 41 to 50 of about 499 (155)

Evolution of the zygomasseteric construction in Rodentia, as revealed by a geometric morphometric analysis of the mandible of Graphiurus (Rodentia, Gliridae)

open access: yes, 2008
International audienceGraphiurus is a peculiar taxon among the monophyletic Gliridae (order Rodentia) in showing hystricomorphy of the zygomasseteric architecture of the skull [large infraorbital foramen (IOF), and correlative muscular arrangements).
Vianey-Liaud, Monique   +7 more
core   +1 more source

A classification of the Gliridae (Rodentia) on the basis of dental morphology

open access: yesHystrix, the Italian Journal of Mammalogy, 1995
<strong>Abstract</strong> The supra-familiar relationships of the Gliridae are discussed. The criterion used for subdividing the Gliridae is the morphology of the cheek teeth because this is the only character known for all taxa.
Remmert Daams, Hans De Bruijn
doaj   +1 more source

The primary structures of pancreatic ribonucleases from African porcupine and casiragua, two hystricomorph rodent species

open access: yes, 1982
The amino acid sequences of the pancreatic ribonucleases from African porcupine (Hystrix cristata) and casiragua (Proechimys guairae, a caviomorph rodent species related to the coypu) were determined.
Knol, Geke   +2 more
core   +1 more source

Beyond mammals: the evolution of chewing and other forms of oropharyngeal food processing in vertebrates

open access: yesBiological Reviews, Volume 101, Issue 3, Page 1406-1462, June 2026.
ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz   +6 more
wiley   +1 more source

Effects of enclosure size on activity and sleep of a hystricomorph rodent (Octodon degus) [PDF]

open access: yesBulletin of the Psychonomic Society, 1980
Eight adult and eight infant degus were continuously observed over two 24-h sessions in order to determine the effects of large vs. small enclosure size on the stability of activity and sleep cycles. Behaviors were categorized into one of five mutually exclusive categories.
Robert B. Fischer   +4 more
openaire   +1 more source

Zum Status von Baumstachler und Baumratte in Kolumbien - Ein Aktiviätsbericht [PDF]

open access: yes, 2013
The Fauna Research Group of the Universidad de Ciencias Aplicadas y Ambientales (U.D.C.A.) in Bogotá, Colombia, as part of its research on hystricomorph rodents, has initiated an assessment of the status of four porcupine species: Echinoprocta rufescens,
Osbahr, Karin
core   +2 more sources

Actividad ovárica del tepezcuintle Agouti paca (Rodentia: Agoutidae) en cautiverio

open access: yesRevista de Biología Tropical, 2006
Se caracterizó la actividad ovárica de A. paca por medio de perfiles hormonales y estructuras ováricas. Se muestrearon ocho hembras (siete adultas y una juvenil) en el criadero de la Facultad de Medicina Veterinaria y Zootecnia en el estado de Yucatán ...
Rubén C Montes Pérez   +1 more
doaj  

Genetic Identification of Parasitic Giardia enterica in Three Wild Rodent Species from a Zoological Institution: First Host Records in Brazilian Porcupine (Coendou prehensilis) and Naked Mole Rat (Heterocephalus glaber), and Detection in Crested Porcupine (Hystrix cristata)

open access: yesJournal of Zoological and Botanical Gardens
Flagellates of the genus Giardia are intestinal parasites with a broad host range. Several Giardia duodenalis variants (assemblages) recently elevated to species rank—G. duodenalis (assemblage A1), G.
Lorena Esteban-Sánchez   +5 more
doaj   +1 more source

Another hystricomorph rodent: keeping casiragua ( Proechimys guairae ) in captivity [PDF]

open access: yesLaboratory Animals, 1973
Caging, feeding and handling are described. The animals were obtained for study of their reproduction and details of this are given.
openaire   +2 more sources

Demography and Population Dynamics of a Small Mammal Assemblage in Chilean Semiarid Thorn‐Scrub Habitat: A 30‐Year Study

open access: yesEcology and Evolution, Volume 15, Issue 11, November 2025.
Using the longest and most comprehensive demographic database available in temperate South America, we characterize the population dynamics of an entire community of small mammals in a semiarid environment in north‐central Chile using a superpopulation CMR modeling framework.
Douglas A. Kelt   +6 more
wiley   +1 more source

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